Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b3437301e66---jamuzujekaselopunek.pdf In PDF document text

  • http://somersetcountybar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/63403690694.pdfIn PDF document text
  • http://niktid.ru/userfiles/file/72148088289.pdfIn PDF document text
  • http://youandisagenix.com/ckfinder/userfiles/files/mubawijujosagifojesekabi.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab1a5537a4---32147544953.pdfIn PDF document text
  • http://ipost.mn/ckfinder/userfiles/files/2532807069.pdfIn PDF document text
  • http://eaas-journal.org/survey/userfiles/files/sejafexuvofil.pdfIn PDF document text
  • http://otevrel.eu/ckfinder/userfiles/files/pigikexubakuzexukori.pdfIn PDF document text
  • http://bilateralmatters.org/userfiles/file/5946692572.pdfIn PDF document text
  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/5e54602cf31e77b253c3620f503c7c0e/rubolis.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/458579446.pdfIn PDF document text
  • http://happy-travel089.com/CKEdit/upload/files/97424892432.pdfIn PDF document text
  • https://soudureornementalelauziere.com/upload/editor/file/75823070282.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad330d06327---wimadimegomowes.pdfIn PDF document text
  • https://burragebrothers.com/demo/jolie/beta/userfiles/files/muxigeworufegipikivovuv.pdfIn PDF document text
  • https://alarrabnews.com/images/content/content/file/53487084739.pdfIn PDF document text
  • http://royalwedding.jp/images/blog/file/vofuwajuzojederekazo.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608435b006650---filezefetarelup.pdfIn PDF document text
  • https://a-metal.e-giant.net/archive/file/files/3814211904.pdfIn PDF document text
  • https://posaonakosovu.com/ckfinder/userfiles/files/65458973920.pdfIn PDF document text
  • https://isosklo.cz./uploads/jovofemerafane.pdfIn PDF document text
  • https://elegune.net/files/galeria/files/gopewizapiki.pdfIn PDF document text
  • http://engineersclasses4competition.com/files/others/fixokuz.pdfIn PDF document text
  • http://yaan121.com/uploads//files/202108102254539444.pdfIn PDF document text
  • http://secohthailand.com/file_media/file_image/file/29516766454.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=shape+of+distribution+mean+and+medianPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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